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Fuel Cells I (Paperback, Softcover reprint of hardcover 1st ed. 2008)
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Fuel Cells I (Paperback, Softcover reprint of hardcover 1st ed. 2008)
Series: Advances in Polymer Science, 215
Expected to ship within 10 - 15 working days
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The concept to utilize an ion-conducting polymer membrane as a
solid po- mer electrolyte offers several advantages regarding the
design and operation of an electrochemical cell, as outlined in
Volume 215, Chapter 1 (L. Gubler, G.G. Scherer). Essentially, the
solvent and/or transport medium, e.g., H O, 2 + for the mobile
ionic species, e.g., H for a cation exchange membrane, is taken up
by and con?ned into the nano-dimensional morphology of the i-
containingdomainsofthepolymer.Asaconsequence, aphaseseparationinto
a hydrophilic ion-containing solvent phase and a hydrophobic
polymer ba- bone phase establishes. Because of the narrow solid
electrolyte gap in these cells, low ohmic losses reducing the
overall cell voltage can be achieved, even at highcurrent
densities. This concept was applied to fuel cell technology at a
very early stage; h- ever, performance and reliability of the cells
were low due to the dissatisfying membrane properties at that time.
The development of per?uoro sulfonate and carboxylate-type
membranes, in particular for the chlor-alkali process, directly
fostered the further development of proton-conducting membranes
and, as a consequence, also the progress in this type of fuel cell
technology (polymer electrolyte fuel cell,PEFC).
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